Granted Patent
Utility
US 4,848,918 · App. 07/228,941
Mixing apparatus
Inventors:
George B. Kingsley, III, Christopher Shallice
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Aug 4, 1988
Inventors
George B. Kingsley, III
Christopher Shallice
Assignee (at issue)
CF Systems Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.